Thank you for the exhausting answer.
Is it possible to add a note to the help page regarding the conclusion (or
even the edge cases)?
is it possible to add any validation for x in formula.character?
On 1 November 2016 at 21:48, William Dunlap wrote:
> Another example uses formula.character's o
Another example uses formula.character's other arguments:
> as.formula("env")
Error: object of type 'special' is not subsettable
> as.formula("...")
Error in eval(expr, envir, enclos) : '...' used in an incorrect context
It may happen for the same reason that the following does not give an error:
Dear all,
I tried to run as.formula("x") and got an error message "Error: C stack
usage 7971120 is too close to the limit" whether x exists or not. This is
not the case in as.formula("y"), where "object 'y' not found" is the error
message if y not exists, or "invalid formula" error or a formula d